List K Points of the Outer Yff Triangle. Points available at the Kimberling's Encyclopedia ETC. The ETC version: The 8998 points version of 2015. The "Discoverer" database version: October 2013. Last update: 2016-04-29- The X(1) Incenter of the Outer Yff Triangle is the X(1).
- The X(3) Circumcenter of the Outer Yff Triangle is the X(56).
- The X(4) Orthocenter of the Outer Yff Triangle is the X(1479).
- The X(5) Nine-Point Center of the Outer Yff Triangle is the X(496).
- The X(6) Symmedian Point of the Outer Yff Triangle is the X(613).
- The X(10) Spieker Center of the Outer Yff Triangle is the X(1210).
- The X(20) de Longchamps Point of the Outer Yff Triangle is the X(4299).
- The X(40) Bevan Point of the Outer Yff Triangle is the X(46).
- The X(55) Internal Center of Similitude of the Incircle and the Circumcircle of the Outer Yff Triangle is the X(8069).
- The X(109) of the Outer Yff Triangle is the X(1795).
- The X(119) of the Outer Yff Triangle is the X(11).
- The X(355) Center of the Fuhrmann Circle of the Outer Yff Triangle is the X(1837).
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